code: def register_model(
      name: Optional[str] = None,
  ) -> Callable[[Callable[..., M]], Callable[..., M]]:
      def wrapper(fn: Callable[..., M]) -> Callable[..., M]:
          key = name if name is not None else fn.__name__
          if key in BUILTIN_MODELS:
              raise ValueError(
                  f"An entry is already registered under the name '{key}'."
              )
          BUILTIN_MODELS[key] = fn
          return fn
  
      return wrapper
  
imports: import fnmatch
  import importlib
  import inspect
  import sys
  from dataclasses import dataclass
  from enum import Enum
  from functools import partial
  from inspect import signature
  from types import ModuleType
  from typing import Any, Callable, Dict, Iterable, List, Mapping, Optional, Set, Type, TypeVar, Union
  from torch import nn
  from .._internally_replaced_utils import load_state_dict_from_url
label_desc: Use image node_id 4 for calling a global function with example usage: register_model(name) and returns: wrapper, fn